Search results for: Patrick Chiang

Items from 1 to 20 out of 53 results

article

THE COLLABORATIVE AGING RESEARCH USING TECHNOLOGY (CART) INITIATIVE: BUILDING SCALABLE, ECOLOGICALLY VALID INFORMATION COMMUNICATION TECHNOLOGY RESEARCH CAPACITY

Jeffrey Kaye, Stephen Agritelley, Lisa L. Barnes, Patrick Chiang, more

Alzheimer's & Dementia > 2017 > 13 > 7(S) > P1217

chapter

A 32Gb/s NRZ, 25GBaud/s PAM4 reconfigurable, Si-Photonic MZM transmitter in CMOS

Nan Qi, Xi Xiao, Shang Hu, Miaofeng Li, more

2016 Optical Fiber Communications Conference and Exhibition (OFC) > 1 - 3

2016 Optical Fiber Communications Conference and Exhibition (OFC)

A reconfigurable 4-channel 32Gb/s NRZ, or 2×25GBaud/s PAM4 Si-Photonic transmitter is designed entirely in CMOS, consisting of a CMOS driver wire-bonded to MZ modulators. Measurement results demonstrate optical eye diagrams with > 5dB extinction ratio and <11pJ/bit power efficiency.

article

Introduction to the Special Section on the 2015 Custom Integrated Circuits Conference

Patrick Chiang, Visvesh S. Sathe

IEEE Journal of Solid-State Circuits > 2016 > 51 > 8 > 1733

This special issue of the IEEE Journal of Solid-State Circuits highlights some of the best papers from the 2015 Custom Integrated Circuits Conference (CICC), held in the DoubleTree Hotel in San Jose, California, USA, on September 28–30.

article

Design and Optimization of Area-Constrained Wirelessly Powered CMOS UWB SoC for Localization Applications

Jian Kang, Sujaya Rao, Patrick Chiang, Arun Natarajan

IEEE Transactions on Microwave Theory and Techniques > 2016 > 64 > 4 > 1042 - 1054

This paper discusses the design of a batteryless wirelessly powered ultra-wideband (UWB) system-on-a-chip (SoC) tag for area-and-volume-constrained localization applications such as insect tracking. Key challenges for wirelessly powered operation at 10-m range include the design of high-sensitivity rectifiers and low-voltage high-efficiency UWB transmitters (TX). An antenna-rectifier co-design methodology...

article

Low-complexity 0.55-V 2.5-μW bandgap reference and power-on reset hybrid circuit

Bo Zhou, Shuli Liu, Patrick Chiang

Electronics Letters > 2016 > 52 > 5 > 346 - 348

A near-threshold low-complexity bandgap reference (BGR) and power-on reset (POR) hybrid circuit is implemented in 65 nm CMOS, with an ultra-low supply voltage of 0.55 V and power consumption of 2.5 μW. The BGR employing amplifier offset voltage and current matching, and the POR based on offset voltage matching and loop settling feature, are proposed. The circuit-level simulation results verify that...

article

Short-Range Low-Data-Rate FM-UWB Transceivers: Overview, Analysis, and Design

Bo Zhou, Patrick Chiang

IEEE Transactions on Circuits and Systems I: Regular Papers > 2016 > 63 > 3 > 423 - 435

This paper summarizes and compares various circuit configurations of sub-modules and RF front-ends for frequency modulated ultra-wideband (FM-UWB), and analyzes the transceiver design parameters and link margin. High-robust relaxation oscillator for subcarrier generation, low-power ring oscillators for RF FM, automatic frequency calibration (AFC) for system robustness, and preamplifier-latch based...

chapter

Area-constrained wirelessly-powered UWB SoC design for small insect localization

Jian Kang, Sujaya Rao, Patrick Chiang, Arun Natarajan

2016 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet) > 18 - 20

2016 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet)

This paper describes a wireless-powered UWB system-on-a-chip (SoC) tag for area-constrained localization applications. An antenna-rectifier co-design methodology optimizes sensitivity under area constraints. A 300-nA power management unit (PMU) and low-voltage (0.8-V) UWB TX reduces tag load and required rectifier output voltage. The rectifer, PMU and UWB TX are integrated in 65nm CMOS and the rectifier...

chapter

Silicon Photonic Microring Resonator-Based Transceivers for Compact WDM Optical Interconnects

Samuel Palermo, Patrick Chiang, Cheng Li, Chin-Hui Chen, more

2015 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS) > 1 - 4

2015 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS)

This paper examines the potential of silicon photonic microring resonator-based optical transceivers for compact wavelength-division multiplexing (WDM) optical interconnects. An overview of the photonic devices typically found in a ring resonator optical interconnect platform is provided and the design of transceiver circuits which address key challenges related to the modulators and drop filters...

chapter

Platform IO and system memory test using L3 cache based test (CBT) and parallel execution of CPGC Intel BIST engine

Bruce Querbach, Tan Peter Yanyang, Lovelace Van, David Blankenbeckler, more

2015 IEEE International Test Conference (ITC) > 1 - 10

2015 IEEE International Test Conference (ITC)

As the memory industry pushes to increase memory density, device variation is creating more defects. Furthermore, new form factors (phone, tablet, mobile and client PC) and low cost board and platform limits physical access to JTAG or TAP. Taking advantage of the x86 architecture's high functional bandwidth to memory, the quickest way to access and test memory is through CPU core, by storing and running...

article

Guest Editorial: Special Section on the 2014 IEEE Custom Integrated Circuits Conference (CICC 2014)

Jose M. de la Rosa, Patrick Chiang, Lawrence T. Clark

IEEE Transactions on Circuits and Systems I: Regular Papers > 2015 > 62 > 8 > 1897 - 1898

The papers in this special section consists of expanded versions of six papers presented at the Custom Integrated Circuits Conference (CICC), held in San Jose, CA, USA, in September 2014.

chapter

A 25Gb/s, 520mW, 6.4Vpp Silicon-Photonic Mach-Zehnder Modulator with distributed driver in CMOS

Nan Qi, Xianyao Li, Hao Li, Xi Xiao, more

2015 Optical Fiber Communications Conference and Exhibition (OFC) > 1 - 3

2015 Optical Fiber Communications Conference and Exhibition (OFC)

A 25Gb/s heterogeneously-integrated Silicon-Photonic transmitter is designed entirely in CMOS, consisting of a high-swing driver wire-bonded to a MZ modulator. Measurement results demonstrate clean optical eye diagrams with > 4dB extinction ratio while consuming 0.52W.

chapter

A hybrid integrated TIA and PD for 20-Gb/s optical receivers

Qianqian Yang, Nan Qi, Juncheng Wang, Zhongkai Wang, more

2015 Opto-Electronics and Communications Conference (OECC) > 1 - 3

2015 Opto-Electronics and Communications Conference (OECC)

A 20Gb/s Transimpedance Amplifier (TIA) is implemented in 65nm CMOS process using input-serial-peaking technique. Measurement results show that the hybrid integrated TIA with PD achieves up to 20Gb/s clean optical-diagram, with 4.3ps RMS-jitter, consuming 7.2mW.

chapter

A 3.6cm² wirelessly-powered UWB SoC with −30.7dBm rectifier sensitivity and sub-10cm range resolution

Jian Kang, Patrick Chiang, Arun Natarajan

2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) > 255 - 258

2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)

This paper discusses the design of a battery-less wirelessly-powered UWB system-on-a-chip (SoC) tag for area-constrained localization applications. An antenna-rectifier co-design methodology optimizes sensitivity and increases range under tag area constraints. A low-voltage (0.8-V) UWB TX enables high rectifier sensitivity by reducing required rectifier output voltage. The 2.4GHz rectifier, power-management...

chapter

A 30mW/channel 4×25Gbps baud-rate bang-bang CDR using an integrating receiver based data sampling

Zhongkai Wang, Rui Bai, Hao Li, Juncheng Wang, more

2015 IEEE Optical Interconnects Conference (OI) > 60 - 61

2015 IEEE Optical Interconnects Conference (OI)

We propose a 4×25Gbps baud-rate bang-bang CDR that incorporates an integrating receiver (INT-RX) to achieve data sampling, eliminating the power overhead from 2x-oversampling. Measurement results demonstrate 25Gb/s error-free operation, 30mW/channel (1.2pJ/bit), and 1.15ps-rms recovered clock jitter.

chapter

DWDM silicon photonic transceivers for optical interconnect

Chin-Hui Chen, Cheng Li, Rui Bai, Kunzhi Yu, more

2015 IEEE Optical Interconnects Conference (OI) > 52 - 53

2015 IEEE Optical Interconnects Conference (OI)

We present energy-efficient microring resonator-based silicon photonic transceivers for DWDM optical interconnect.

article

A 30-Gb/s 1.37-pJ/b CMOS Receiver for Optical Interconnects

Quan Pan, Yipeng Wang, Zhengxiong Hou, Li Sun, more

Journal of Lightwave Technology > 2015 > 33 > 4 > 778 - 786

This paper presents a digitally controlled 1-V 30-Gb/s 1.37-pJ/b optical receiver in 65-nm CMOS technology. This receiver consists of an inverter-based inductive transimpedance amplifier, a fully integrated low-dropout regulator, a main amplifier, a three-stage-cascaded continuous-time linear equalizer (CTLE), a two-stage limiting amplifier, and an output driver. The CTLE consists of three cascaded...

chapter

A reusable BIST with software assisted repair technology for improved memory and IO debug, validation and test time

Bruce Querbach, Rahul Khanna, David Blankenbeckler, Yulan Zhang, more

2014 International Test Conference > 1 - 10

2014 IEEE International Test Conference (ITC)

As silicon integration complexity increases with 3D stacking and Through-Silicon-Via (TSV), so does the occurrence of memory and IO defects and associated test and validation time. This ultimately leads to an overall cost increase. On a 14nm Intel SOC, a reusable BIST engine called Converged-Pattern-Generator-Checker (CPGC) are architected to detect memory and IO defects, and combined with the software...

chapter

Energy-efficient bio-sensing systems

Pedram Mohseni, Patrick Chiang

Proceedings of the IEEE 2014 Custom Integrated Circuits Conference > 1

2014 IEEE Custom Integrated Circuits Conference - CICC 2014

The invited papers in this session will first discuss compressive sensing as a novel approach to achieve energy scaling in highly complex sensing systems, and will then review the design tradeoffs in low-power biosignal recording interfaces.

chapter

A 41-mW 30-Gb/s CMOS optical receiver with digitally-tunable cascaded equalization

Quan Pan, Yipeng Wang, Zhengxiong Hou, Li Sun, more

ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC) > 127 - 130

ESSCIRC 2014 - 40th European Solid State Circuits Conference

This paper presents a 65-nm CMOS, 1-V, 1.37-pJ/bit optical receiver with embedded equalizer, enabling adaptability to overcome channel losses and component variations. The digitally-controlled continuous-time linear equalizer (CTLE) consists of three cascaded tunable peaking stages offering 16-dB of adjustable low-frequency gain. Optical measurement results with a 30-Gb/s photodetector (PD) show that...

chapter

A piezoelectric energy-harvesting shoe system for podiatric sensing

Rich Meier, Nicholas Kelly, Omri Almog, Patrick Chiang

2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society > 622 - 625

2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

This paper provides an energy-harvesting, shoe-mounted system for medical sensing using piezoelectric transducers for generating power. The electronics are integrated inside a conventional consumer shoe, measuring the pressure of the wearer's foot exerted on the sole at six locations. The electronics are completely powered by the harvested energy from walking or running, generating 10–20 μJ of energy...

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CMOS INTEGRATED CIRCUITS (8)
BANDWIDTH (6)
NOISE (5)
RADIO FREQUENCY (5)
CLOCKS (4)
CMOS (4)
DELAY (4)
CALIBRATION (3)
CIRCUITS (3)
DEMODULATION (3)
MICROPROCESSORS (3)
MODULATION (3)
OPTICAL FIBERS (3)
OPTICAL RECEIVER (3)
OPTICAL RECEIVERS (3)
OPTICAL TRANSMITTERS (3)
OPTICAL VARIABLES MEASUREMENT (3)
RECEIVERS (3)
SWITCHES (3)
THROUGHPUT (3)
TRANSCEIVERS (3)
WIRELESS COMMUNICATION (3)
WIRELESS SENSOR NETWORKS (3)
ANALOG INTEGRATED CIRCUITS (2)
ANTENNA (2)
ANTENNA MEASUREMENTS (2)
BASEBAND (2)
CAPACITORS (2)
CASCADED CONTINUOUS-TIME LINEAR EQUALIZER (2)
COMPUTATIONAL MODELING (2)
ENERGY EFFICIENCY (2)
ENERGY HARVESTING (2)
FREQUENCY SHIFT KEYING (2)
GAIN (2)
GLOBAL NAVIGATION SATELLITE SYSTEMS (2)
INTEGRATED CIRCUITS (2)
LIMITING AMPLIFIER (2)
LOW POWER (2)
LOW-POWER DESIGN (2)
MEETINGS (2)
OPTICAL ATTENUATORS (2)
OPTICAL MODULATION (2)
PIPELINES (2)
RANDOM ACCESS MEMORY (2)
RECEIVER (2)
RF ENERGY HARVESTING (2)
SENSITIVITY (2)
SENSORS (2)
SPECIAL ISSUES AND SECTIONS (2)
SYSTEM-ON-A-CHIP (2)
TRANSIMPEDANCE AMPLIFIER (2)
ULTRA WIDEBAND COMMUNICATION (2)
VOLTAGE 1.8 V (2)
ABSTRACTS (1)
ACCELEROMETERS (1)
ACCURACY (1)
ACTIVE- $RC$ FILTER (1)
ADDERS (1)
ALGORITHM DESIGN AND ANALYSIS (1)
AMPLIFIER OFFSET VOLTAGE (1)
AMPLIFIERS (1)
AMPLITUDE SHIFT KEYING (1)
AMPLITUDE- SHIFT-KEYING DEMODULATOR (1)
AMPLITUDE-SHIFT KEYING (ASK) (1)
ANALOG-DIGITAL CONVERSION (1)
ANALOG-DIGITAL CONVERTERS (1)
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INFONA - science communication portal

Search results for: Patrick Chiang

THE COLLABORATIVE AGING RESEARCH USING TECHNOLOGY (CART) INITIATIVE: BUILDING SCALABLE, ECOLOGICALLY VALID INFORMATION COMMUNICATION TECHNOLOGY RESEARCH CAPACITY

A 32Gb/s NRZ, 25GBaud/s PAM4 reconfigurable, Si-Photonic MZM transmitter in CMOS

Introduction to the Special Section on the 2015 Custom Integrated Circuits Conference

Design and Optimization of Area-Constrained Wirelessly Powered CMOS UWB SoC for Localization Applications

Low-complexity 0.55-V 2.5-μW bandgap reference and power-on reset hybrid circuit

Short-Range Low-Data-Rate FM-UWB Transceivers: Overview, Analysis, and Design

Area-constrained wirelessly-powered UWB SoC design for small insect localization

Silicon Photonic Microring Resonator-Based Transceivers for Compact WDM Optical Interconnects

Platform IO and system memory test using L3 cache based test (CBT) and parallel execution of CPGC Intel BIST engine

Guest Editorial: Special Section on the 2014 IEEE Custom Integrated Circuits Conference (CICC 2014)

A 25Gb/s, 520mW, 6.4Vpp Silicon-Photonic Mach-Zehnder Modulator with distributed driver in CMOS

A hybrid integrated TIA and PD for 20-Gb/s optical receivers

A 3.6cm² wirelessly-powered UWB SoC with −30.7dBm rectifier sensitivity and sub-10cm range resolution

A 30mW/channel 4×25Gbps baud-rate bang-bang CDR using an integrating receiver based data sampling

DWDM silicon photonic transceivers for optical interconnect

A 30-Gb/s 1.37-pJ/b CMOS Receiver for Optical Interconnects

A reusable BIST with software assisted repair technology for improved memory and IO debug, validation and test time

Energy-efficient bio-sensing systems

A 41-mW 30-Gb/s CMOS optical receiver with digitally-tunable cascaded equalization

A piezoelectric energy-harvesting shoe system for podiatric sensing

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